/**
* {@inheritdoc}
*/
public function migrate($targetVersion)
{
$previousVersion = $this->rootModuleFile->getVersion();
if ($previousVersion === $targetVersion) {
return;
}
$this->rootModuleFile->setVersion($targetVersion);
try {
$this->jsonStorage->saveRootModuleFile($this->rootModuleFile);
} catch (Exception $e) {
$this->rootModuleFile->setVersion($previousVersion);
throw $e;
}
}